Every time a Page is changed (added / removed user controls / web parts) the page definition needs to be updated.

To do this locate the URL of the web page in the AOT

and right click –> Import

After importing the file, look at the page definition for the corresponding URL. It will not have an object in the current working Layer.

Deploying specific EP pages:

Right click on the page definition –> deploy page

This deploys the page and a message is shown

This deployment method is not supported for 64 bit machines, and some of the 64 bit machine I have worked with give issues and may not deploy. The only way to deploy it is by using the AxUpdatePortal.exe